Magma and Volcanic Eruptions

In a volcano, magma collects in a packet called ________.

• Magma flow

• Magma chamber

• Magma pipe

• Hot spot

Tags

NGSS.MS-ESS3-2

A ______ is a duct connecting the magma chamber and the outside of the volcano.

• Vent

• Crater

• Lava flow

• Volcanic cone

An opening on the Earth's crust through which hot molten rock flows out from deep inside the Earth.

• Volcano

• Fault line

• Fold

• Crater

Tags

NGSS.MS-ESS3-2

Takes place when the gas bubbles within magma are gently dissipated to the surface, causing the magma to flow very easily.

• Quiet eruptions

• Explosive eruptions

• Pahoehoe

• A's

Which type of volcanic eruption is the most explosive?

• Effusive eruption

• Strombolian eruption

• Vulcanian eruption

• Plinian eruption

During a geology class, Abigail asked about the type of magma that leads to a violent eruption due to its high silica content. Which type of magma is it?

• Basaltic

• Andesitic

• Granitic

• Ultramafic

If a volcano is high in silica and water it will probably _____.

• erupt quietly

• remain dormant

• erupt explosively

• produce dark colored lava

What is the name of the bowl-shaped area at the top of a volcano?

• Crater

• Valley

• Canyon

• Plateau

Hot melted rock that forms underground near the subduction zone is called ___.

• lava

• sedimentary rock

• igneous rock

• magma

A volcano's average time between volcanic eruptions is called a(n) __________.

(a)  

• 1. assessment

• 1. forecast

• 1. prediction

• recurrence interval

• century

Tags

NGSS.MS-ESS3-2